[BaekJoon] 15829 Hashing
ยท
๐Ÿ’ฏ CodingTest/BaekJoon
n = int(input()) word = input() result = 0 alpha = { 'a':1, 'b':2, 'c':3, 'd':4, 'e':5, 'f':6, 'g':7, 'h':8, 'i':9, 'j':10, 'k':11, 'l':12, 'm':13, 'n':14, 'o':15, 'p':16, 'q':17, 'r':18, 's':19, 't':20, 'u':21, 'v':22, 'w':23, 'x':24, 'y':25, 'z':26, } for i in range(len(word)): result += alpha[word[i]] * (31**i) print(result % 1234567891) ๋ฌธ์ œํ’€์ด 1. ๊ฐ ์•ŒํŒŒ๋ฒณ ๊ฐ’์„ ์ง€์ •ํ–ˆ๋‹ค. => ์•„์Šคํ‚ค์ฝ”๋“œ๋ฅผ ์‚ฌ์šฉํ•ด๋„ ๋˜์ง€๋งŒ ํ•œ๋ฒˆ ์ด๋ ‡๊ฒŒ ํ•ด๋ณด๊ณ  ์‹ถ์—ˆ..
[BaekJoon] 2805 ๋‚˜๋ฌด์ž๋ฅด๊ธฐ
ยท
๐Ÿ’ฏ CodingTest/BaekJoon
n, m = map(int,input().split()) treeHeight = list(map(int, input().split())) # ์ ์–ด๋„ M๋ฏธํ„ฐ์˜ ๋‚˜๋ฌด๋ฅผ ์ง‘์— ๊ฐ€์ ธ๊ฐ€๊ธฐ ์œ„ํ•ด์„œ ์ ˆ๋‹จ๊ธฐ์— ์„ค์ •ํ•  ์ˆ˜ ์žˆ๋Š” ๋†’์ด์˜ ์ตœ๋Œ“๊ฐ’์„ ์ถœ๋ ฅํ•œ๋‹ค. treeHeight.sort() resultList=list() def binarySearch(data, m2): low = 1 # m์€ 1= m2: # mid(H) ๊ฐ’์„ ๋†’์—ฌ์„œ ํƒ์ƒ‰ํ•ด์•ผํ•จ if result < mid : result = mid low = mid + 1 else: high = mid - 1 return result #print(max(resultList)) #์ด๋ ‡๊ฒŒ max () ๋ฅผ ์‚ฌ์šฉํ–ˆ์„๋•Œ ์ฝœ์Šคํƒ ์ดˆ๊ณผ๊ฐ€ ๋‚˜๋Š” ๊ฒฝ์šฐ๊ฐ€ ์žˆ์„ ์ˆ˜๋„ ์žˆ์Œ ๋”ฐ๋ผ์„œ ๊ฐ’์„ ๊ณ„์† ๋ณ€..
[BaekJoon] 1654 ๋žœ์„  ์ž๋ฅด๊ธฐ
ยท
๐Ÿ’ฏ CodingTest/BaekJoon
k, n = map(int,input().split()) kLength = list() result = list() for i in range(k): kLength.append(int(input())) kLength.sort() def binarySearch(data, n2): low=1 # ๋žœ์„ ์˜ ๊ธธ์ด๋Š” ์ž์—ฐ์ˆ˜๋ผ๊ณ  ๋ช…์‹œ๋˜์–ด์žˆ๋‹ค.. # ์กฐ์‹ฌํ•˜์ž.. # low๋ฅผ 0์œผ๋กœ ํ•ด๋†“๊ณ  ํ—›์ง“๊ฑฐ๋ฆฌํ•จ.. high = data[len(data)-1] + 1 ''' 4 4 100 100 100 100 ๊ณผ ๊ฐ™์€ ์ž…๋ ฅ์ด ๋“ค์–ด์™”์„๋•Œ high๊ฐ’๋„ ํƒ์ƒ‰ ๋ฒ”์œ„์— ํฌํ•จ์‹œํ‚ค๊ธฐ ์œ„ํ•ด 1๋”ํ•ด์ฃผ๊ธฐ. ''' while (low ๊ทธ ํ›„ ์ •๋ ฌ 3. ์ด์ง„ ํƒ์ƒ‰ ํ•จ์ˆ˜ ์ž‘์„ฑ => ๊ฐ ์ค‘๊ฐ„๊ฐ’์„ ๋ฐ˜๋ณตํ• ๋•Œ๋งˆ๋‹ค ๊ทธ๋•Œ ๊ธธ์ด๋กœ ๊ฐ๊ฐ์˜ ๋žœ์„ ์—์„œ ๋‚˜์˜ฌ ์ˆ˜ ์žˆ๋Š” ๊ฐœ์ˆ˜๋ฅผ..
[BaekJoon] 10845 ํ
ยท
๐Ÿ’ฏ CodingTest/BaekJoon
โ–ถ ์ž๋ฃŒ๊ตฌ์กฐ ํ(Queue)๋ฅผ ๊ตฌํ˜„ํ•˜๋Š” ๋ฌธ์ œ์ด๋‹ค. import sys n = int(sys.stdin.readline().rstrip()) q = list() while n > 0: cmd = sys.stdin.readline().rstrip() ## .rstrip() ๋ฅผ ์•ˆ๋ถ™์—ฌ ์ฃผ๋ฉด ์ž…๋ ฅ๊ฐ’์ด ์˜ˆ๋ฅผ๋“ค์–ด "push 1" ์ธ๊ฒฝ์šฐ cmd์—๋Š” "push 1\n" ์œผ๋กœ ๊ฐœํ–‰ ๋ฌธ์ž์—ด๊นŒ์ง€ ํฌํ•จ๋œ๋‹ค. ๋”ฐ๋ผ์„œ .rstrip()๋ฅผ ๋ถ™์—ฌ ์˜ฌ๋ฐ”๋ฅธ ์ž…๋ ฅ์„ ๋ฐ›๋„๋กํ•œ๋‹ค. val = '' if ' ' in cmd: cmd, val = cmd.split() val = int(val) if cmd == 'push': q.append(val) elif cmd == 'pop': if len(q) == 0: sys.stdout.write(s..
[BaekJoon] 1081 ์ˆซ์ž ์นด๋“œ 2
ยท
๐Ÿ’ฏ CodingTest/BaekJoon
โ— ์ž…๋ ฅ์œผ๋กœ ๋ฐ›์€ ๋‘๊ฐœ์˜ ๋ฆฌ์ŠคํŠธ๋ฅผ ๋น„๊ตํ•ด ๋‘๋ฒˆ์งธ ๋ฆฌ์ŠคํŠธ์— ์žˆ๋Š” ์นด๋“œ์˜ ์ข…๋ฅ˜์—๋”ฐ๋ผ ์ฒซ๋ฒˆ์งธ ๋ฐฐ์—ด์— ์žˆ๋Š” ๋ฐ์ดํ„ฐ๊ฐ€ ๋ช‡๊ฐœ์ธ์ง€ ๊ณ„์‚ฐํ•˜๋Š” ๋ฌธ์ œ์ด๋‹ค. n = int(input()) cards = list(map(int, input().split())) m = int(input()) cardType = list(map(int, input().split())) cards.sort() cardDic = {key : 0 for key in cards} for t in cards: cardDic[t] += 1 keyList = sorted(list(cardDic.keys()) ) def binarySearch (data, num): low = 0 high = len(data) - 1 while low data[mid] : l..
[Programmers] ์ˆซ์ž ๋ฌธ์ž์—ด๊ณผ ์˜๋‹จ์–ด
ยท
๐Ÿ’ฏ CodingTest/Programmers
def solution(s): words = {'zero': '0', 'one':'1', 'two':'2', 'three':'3','four':'4', 'five':'5', 'six':'6', 'seven':'7','eight':'8','nine':'9'} temp = '' answer = '' for c in s: if c in words.values() : answer += c else: temp += c if temp in words.keys() : answer += words[temp] temp = '' return int(answer) ์ดˆ๊ธฐ words ๋”•์…”๋„ˆ๋ฆฌ์— ์ˆซ์ž์˜ ์˜๋ฌธํ‘œ๊ธฐ๋ฅผ ํ‚ค๋กœํ•˜๊ณ  ์ˆซ์ž(๋ฌธ์ž์—ด)๋ฅผ ๊ฐ’์œผ๋กœ ๊ฐ€์ง€๋Š” ๋”•์…”๋„ˆ๋ฆฌ๋กœ ์ดˆ๊ธฐํ™” temp ๋ฌธ์ž์—ด๊ณผ answer ๋ฌธ์ž์—ด ์„ ์–ธ ๋ฐ ๊ฐ๊ฐ ๋นˆ ๋ฌธ์ž..
[Programmers] ์‹ ๊ณ ๊ฒฐ๊ณผ ๋ฐ›๊ธฐ
ยท
๐Ÿ’ฏ CodingTest/Programmers
def solution(id_list, report, k): count = dict() reportCount = dict() report = list(set(report)) # ๋™์ผ ์‹ ๊ณ ์— ๋Œ€ํ•œ ์ค‘๋ณต๊ฐ’ ์ฒ˜๋ฆฌ๋ฅผ ์œ„ํ•ด set ๋ณ€ํ™˜ ํ›„ list ๋ณ€ํ™˜ for id in id_list: # ๋”•์…”๋„ˆ๋ฆฌ ์ดˆ๊ธฐํ™” count[id] = 0 reportCount[id] = 0 for str in report : # report์— ์ €์žฅ๋œ ๊ฐ๊ฐ์˜ ๋ฌธ์ž์—ด ํŒŒ์‹ฑํ•ด ์‹ ๊ณ  ํšŸ์ˆ˜ ๋ˆ„์  src, trg = str.split(' ') count[trg] += 1 for str in report : # src, trg = str.split(' ') if count[trg] >= k : reportCount[src] += 1 return li..